Move to pointers for Dynamic_Cast_Conversions to avoid problems with using the class before it's defined
Merge branch 'master' into ChaiScript_5_0_CPP_11

Conflicts:
	include/chaiscript/dispatchkit/boxed_cast.hpp
	include/chaiscript/dispatchkit/dynamic_cast_conversion.hpp
	include/chaiscript/dispatchkit/function_call.hpp
	include/chaiscript/dispatchkit/function_call_detail.hpp
	include/chaiscript/dispatchkit/proxy_functions.hpp
	include/chaiscript/dispatchkit/proxy_functions_detail.hpp